CN2353798Y - Lifter for manhole-cover - Google Patents
Lifter for manhole-cover Download PDFInfo
- Publication number
- CN2353798Y CN2353798Y CN 99204733 CN99204733U CN2353798Y CN 2353798 Y CN2353798 Y CN 2353798Y CN 99204733 CN99204733 CN 99204733 CN 99204733 U CN99204733 U CN 99204733U CN 2353798 Y CN2353798 Y CN 2353798Y
- Authority
- CN
- China
- Prior art keywords
- fixed
- screw
- short screw
- long bolt
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a lifter for a well cover. The upper part of three claws 5, 6, 7 are fixed on the outer surface of a nut 2 by shafts 4. An abstracting head 11 is fixed on the lower end of a short screw 12; the upper end of the short screw is inlaid in a connecting sleeve 8 by a bearing 9 and is fixed by a screw cap 13. One end of a positioning handle 10 is connected with the middle part of the short screw. The connecting sleeve is sheathed on the lower end of a long screw 1 and is fixed with the long screw by a forcing off screw 14. A rotary handle 3 is fixed inside the upper end of the long screw. The utility model has the advantages of simple operation, convenient and fast use, labor saving, and no damage to a well cover or a well sleeve.
Description
The utility model belongs to safeguards apparatus.
The well lid of existing communal facilities (tap water well, gasser, following well, underground cable well etc.) well is difficult for mentioning, especially winter of cold district, desire works the lid that drives a well, need roasting with fire earlier, beat well lid with sledgehammer then, making it loosening, could mention with colluding then, is very much that trouble is required great effort but also the frequent thing generation of breaking well lid into pieces.
The purpose of this utility model is a kind of special-purpose Lifter for manhole-cover of development, uses this driver-extractor, or else beats well lid with sledgehammer in advance, is easy to easily just well lid to be mentioned.
The utility model is made up of three pawls, long bolt, short screw, nut, connected set, extraction head, position fixing handle, rotary handles.The top of three pawls is fixed on the outside that is in the supermedial nut of long bolt by axle, extracting head is flat inverted ladder-shaped body, extracting head is fixed on the lower end of short screw, the upper end of short screw is inserted in the connected set, the upper end of short screw is set in the connected set by bearing, and the upper end of short screw is by fixed by nut.One end of position fixing handle links to each other with the middle part of short screw, and connected set is enclosed within on the lower end of long bolt, and by fixing between jackscrew and the long bolt, rotary handle is fixed in the upper end of long bolt.
Three pawls of the present utility model withstand on the edge of well cover, flatly fall trapezoidal extraction head and be inserted in the flat opening of well lid, after the upper end that flat inverted ladder-shaped body extracts head enters in the opening of well lid, 90 ° of rotary location handles, make the extraction head block well lid, rotate rotary handle again long bolt is mentioned, and then drive to extract and to move on the head and well lid is mentioned.It is simple to operation, quick, laborsaving to the utlity model has use, and can not damage the advantage of well lid and well cover.
Fig. 1 is an overall structure schematic diagram of the present utility model, and Fig. 2 is the sectional view at A place among Fig. 1.
Embodiment: three pawls 5,6,7, long bolt 1, short screw 12, nut 2, connected sets 8 in the present embodiment, extract 11, position fixing handle 10, rotary handle 3 form.The top of three pawls 5,6,7 is fixed on the outside that is in long bolt 1 supermedial nut 2 by axle 4, extracting 11 is flat inverted ladder-shaped body, extracting 11 is fixed on the lower end of short screw 12, the upper end of short screw 12 is set in the connected set 8 by bearing 9, and the upper end of short screw 12 is fixing by nut 13.One end of position fixing handle 10 links to each other with the middle part of short screw 12, and connected set 8 is enclosed within on the lower end of long bolt 1, and by fixing between jackscrew 14 and the long bolt 1.Rotary handle 3 is fixed in the upper end of long bolt 1.
Claims (1)
1, Lifter for manhole-cover, it is by three pawls (5), (6), (7), long bolt (1), short screw (12), connected set (8), nut (2), extract head (11), position fixing handle (10), rotary handle (3) is formed, it is characterized in that: three pawls (5), (6), (7) top is fixed on the outside that is in the supermedial nut of long bolt (1) (2) by axle (4), extracting head (11) is flat inverted ladder-shaped body, extracting head (11) is fixed on the lower end of short screw (12), the upper end of short screw (12) is set in the connected set (8) by bearing (9), the upper end of short screw (12) is fixing by nut (13), one end of position fixing handle (10) links to each other with the middle part of short screw (12), connected set (8) is enclosed within on the lower end of long bolt (1), and by fixing between jackscrew (14) and the long bolt (1), rotary handle (3) is fixed in the upper end of long bolt (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99204733 CN2353798Y (en) | 1999-02-14 | 1999-02-14 | Lifter for manhole-cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99204733 CN2353798Y (en) | 1999-02-14 | 1999-02-14 | Lifter for manhole-cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2353798Y true CN2353798Y (en) | 1999-12-15 |
Family
ID=33999440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99204733 Expired - Fee Related CN2353798Y (en) | 1999-02-14 | 1999-02-14 | Lifter for manhole-cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2353798Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975169A (en) * | 2012-12-05 | 2013-03-20 | 上虞市电力公司 | Tool for pulling and lifting cover and plate clamp |
| CN110000315A (en) * | 2019-05-20 | 2019-07-12 | 胡军辉 | A kind of adapting mechanism of the roller of horizontal ring rolls |
| CN111453664A (en) * | 2020-05-08 | 2020-07-28 | 中国十七冶集团有限公司 | Labor-saving well lid gripping tool and operation method |
-
1999
- 1999-02-14 CN CN 99204733 patent/CN2353798Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975169A (en) * | 2012-12-05 | 2013-03-20 | 上虞市电力公司 | Tool for pulling and lifting cover and plate clamp |
| CN110000315A (en) * | 2019-05-20 | 2019-07-12 | 胡军辉 | A kind of adapting mechanism of the roller of horizontal ring rolls |
| CN111453664A (en) * | 2020-05-08 | 2020-07-28 | 中国十七冶集团有限公司 | Labor-saving well lid gripping tool and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |